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MP3 Library - L101E
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EchoFone Visual MP3 Library - L101EEchofone: Advanced Learning System Using Spatial Technology This new ultrasonic listening system extends your hearing perception to sounds which are ordinarily well above your hearing range. Incoming high frequency sounds are converted to ultrasound and played through transducers which are mounted on headphones and contact your skin in front of your ears. The ultrasound then travels through your skin into the brain, where it is interpreted as sound.
US$ 18.90
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US$ 29.90